NCU-2024020004

News Channel Update |
Vehicle Compliance & Analysis
TO: Mercedes-Benz Dealer Principals, General Managers, FROM: Gregory Gunther, Senior Manager, Vehicle
Sales Managers, Service Managers, Parts Managers
Compliance and Analysis, Engineering Services
RE: Service Campaign Launch Notification
MBUX Control Unit Software Update
DATE: February 23, 2024
MY24-25 CLA, EQB, GLA, GLB, GLE, GLS, and AMG
GT 4-door (118, 243, 247, 167, and 290 platform)
IMPORTANT SERVICE CAMPAIGN LAUNCH
Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FORMERCEDES (1-800-367-6372).
Sincerely,
Gregory Gunther
Senior Manager, Vehicle Compliance & Analysis
Mercedes-Benz USA, LLC
One Mercedes-Benz Drive
A Mercedes-Benz Group AG Company
Sandy Springs, GA 30328
770.705.0600
News Channel Update |
Vehicle Compliance & Analysis
Service Campaign Launch Notification
Campaign No. :
Campaign Desc. :
2024020004
24P5496349
February 23, 2024
MBUX Control Unit Software Update
This is to notify you of the Service Campaign Launch to update MBUX Control Unit software in 12,941 Model Year (“MY”) 20242025 CLA, EQB, GLA, GLB, GLE, GLS, and AMG GT 4-door (118, 243, 247, 167, and 290 platform). The vehicles will be visible and
flagged in VMI as “OPEN” on February 23, 2024.
Background
Issue
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has
determined that on certain MY 2024-2025 CLA, EQB, GLA, GLB, GLE, GLS, and
AMG GT 4-door (118, 243, 247, 167, and 290 platform) vehicles, the MBUX control
unit software might not correspond to current production specifications which may
result in the radio being inoperative.
What We’re Doing
MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will
update the MBUX Control Unit software.
Parts
The remedy is available and can be performed as necessary.
Vehicles Affected
2024-2025
CLA, EQB, GLA, GLB, GLE, GLS, and AMG GT 4-door
Vehicle Model Year(s)
Vehicle Model
Vehicle Populations
Total Campaign Population
12,941
Next Steps/Notes
Customer Notification Timeline
Customer letters will not be mailed for this campaign.
AOMS/SOMS
AOMs – This campaign may generate questions from your dealers.
While we regret any inconvenience this may cause, MBUSA is determined to maintain a high level of vehicle quality and customer
satisfaction. Please refer all customer inquiries to the Customer Assistance Center at 1-800-FOR-MERCEDES.
Mercedes-Benz USA, LLC
One Mercedes-Benz Drive
A Mercedes-Benz Group AG Company
Sandy Springs, GA 30328
770.705.0600
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Campaign No. 2024020004, February 2024
TO:
ALL MERCEDES-BENZ CENTERS
SUBJECT:
Model Various Models
Model Year 2024 – 2025
Update MBUX Control Unit Software
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that
on certain MY 2024-2025 CLA, EQB, GLA, GLB, GLE, GLS, and AMG GT 4-door (118, 243, 247,
167, and 290 platform) vehicles the MBUX control unit software might not correspond to the current
production specifications and the radio might be inoperative. An authorized Mercedes-Benz dealer
will check and update the MBUX control unit software.
Prior to performing this Campaign:

VMI must be checked before performing campaigns to verify that the campaign is required on
a specific vehicle. Always check for any other open campaigns, and perform accordingly.

Please review the entire Campaign bulletin and follow the repair procedure exactly as
described.
Approximately 12,941 vehicles are affected.
Order No. P-SC-2024020004
2
Update A26/17 MBUX multimedia system (head unit) control unit software
Always use the latest XENTRY Diagnosis software release with all available add-ons.
 Follow the operation steps exactly as described in XENTRY Diagnosis.
 Use a charger to ensure sufficient power supply to the vehicle’s on-board electrical system battery
(greater than 12.5 V).
 If XENTRY Diagnosis is already connected to the vehicle, start with Work Procedure Step 2.
If two or more software updates or SCN codings are performed during a single workshop
visit, operation items 02-4762 and 02-5058 may be invoiced only on one of the workshop orders.
Work Procedure
1. Connect XENTRY Diagnosis.
2. Update A26/17 MBUX multimedia system (head unit) control unit software.
To do this, select menu item "Quick test view → A26/17 MBUX multimedia system (head unit) → Adaptations →
Control unit update → Update of control unit software".
Then follow the user guidance in XENTRY Diagnosis.
The Digital Operator's Manuals are downloaded automatically via Retail Data Storage to XENTRY Diagnosis to
match the affected vehicle.
NOTE: Updated MBUX software should be E330.7 (software object number A297 904 86 00) or newer.
3. Disconnect XENTRY Diagnosis.
__________________________________________________________________________________________________
Note: The following allowable labor operation should be used when submitting a warranty claim for this repair:
Warranty Information
Damage
Operation
Code
Number
02-9334
54 963 49
02-4762*
02-5058*
Description
Update A26/17 MBUX multimedia system (head unit) control unit software
(with XENTRY Diagnosis connected)
Connect/disconnect diagnostic system
(XENTRY Diagnosis)
Connect/disconnect starter battery charger
(with XENTRY Diagnosis connected)
Labor Time
(hrs.)
0.1
0.1
0.1
* Invoice operation items only on one of the workshop orders, if two or more software updates or SCN codings are
performed during a single workshop visit.
Note: Always check Xentry Operation Time (XOT) for the current OP-Code times. Labor times are subject to change
and updates may not be reflected in this document.
P-SC-2024020004